@if(count($errors) > 0)
    <div class="alert alert-danger" role="alert">
        <div>有异常错误信息</div>
        <ul style="list-style-type: none;">
            @foreach($errors->all() as $err)
                <li>
                    {{$err}}
                </li>
            @endforeach
        </ul>
    </div>
@endif
